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<h1 class="topictitle1">Messages and service system values: Message queue for lines, controllers
and devices</h1>
<div><p>Specifies the message queue for lines, controllers and devices.
(QCFGMSGQ)</p>
<p><span class="uicontrol">Message queue for lines, controllers and devices</span>,
also known as <span class="uicontrol">QCFGMSGQ</span>, is a member of the messages
and service category of i5/OS™ system values. You can use this system value
to specify the message queue that the system uses when sending messages for
lines, controllers, and devices. To learn more, keep reading.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th colspan="2" valign="top" class="firstcol" id="d0e31">Quick reference</th>
</tr>
</thead>
<tbody><tr><th valign="top" class="firstcol" id="d0e35" headers="d0e31 ">Location</th>
<td valign="top" headers="d0e35 d0e31 ">In iSeries™ Navigator,
select your system, <span class="menucascade"><span class="uicontrol"></span> &gt; <span class="uicontrol">Configuration
and Service</span> &gt; <span class="uicontrol">System Values</span> &gt; <span class="uicontrol">Messages
and Service</span> &gt; <span class="uicontrol">General</span></span></td>
</tr>
<tr><th valign="top" class="firstcol" id="d0e53" headers="d0e31 ">Special authority</th>
<td valign="top" headers="d0e53 d0e31 ">System configuration (*IOSYSCFG)</td>
</tr>
<tr><th valign="top" class="firstcol" id="d0e58" headers="d0e31 ">Default value</th>
<td valign="top" headers="d0e58 d0e31 ">Message queue - QSYSOPR; Library - QSYS</td>
</tr>
<tr><th valign="top" class="firstcol" id="d0e63" headers="d0e31 ">Changes take effect</th>
<td valign="top" headers="d0e63 d0e31 ">When you vary on the line, controller, or device description. Therefore,
if you change this system value after a line, controller, or device description
has been varied on, you must vary off, then vary on the configuration object
to use the new value.</td>
</tr>
<tr><th valign="top" class="firstcol" id="d0e68" headers="d0e31 ">Lockable</th>
<td valign="top" headers="d0e68 d0e31 ">No</td>
</tr>
</tbody>
</table>
</div>
<div class="section"><h4 class="sectiontitle">What can I do with this system value?</h4><p>Specifies
the message queue that the system uses when sending messages for lines, controllers,
and devices.</p>
<p>This system value allows you to specify the default message
queue the system will use when sending messages for lines, controllers, and
devices.</p>
<p>The message queue specified for this system value should be
created with the following attributes for best overall system behavior:</p>
<p>Force (FORCE) - *NO<br />
Allow Alerts (ALWALR) - *NO<br />
Size (SIZE) - (8,32,*NOMAX)<br />
Wrap (MSGQFULL) - *WRAP</p>
<p>A message queue, QSYS/QCFGMSGQ, is provided
by the system with the above characteristics.</p>
<p>The following line description
types support this system value: Token Ring, Ethernet, DDI, X.25, Frame Relay.</p>
<p>The
following controller description types support this system value: APPC, SNA
Host, Async, Local Workstation, Remote Workstation, Virtual Workstation.</p>
<p>The
following device description types support this system value: APPC, Printer,
and Cryptographic.</p>
<p>The shipped value is QSYS/QSYSOPR, which results
in the communications messages being sent to the system operator message queue.</p>
<p>The
message queue must exist in the system disk pool (also known as auxiliary
storage pool) or in a basic user disk pool.</p>
</div>
<div class="section"><h4 class="sectiontitle">Where can I get more information about this system value?</h4><p>To
learn more, go to the messages and service system values overview topic. If
you are looking for a specific system value or category of system values,
try using the i5/OS system
value finder.</p>
</div>
</div>
<div><div class="relconcepts"><strong>Related concepts</strong><br />
<div><a href="rzakzmessagesoverview.htm" title="Use i5/OS messages and service system values to change and view the system's message, logging, and service information.">System values: Messages and service overview</a></div>
</div>
<div class="relinfo"><strong>Related information</strong><br />
<div><a href="rzakzfinder.htm">System value finder</a></div>
</div>
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